Versatile Utility Line with Hundreds of Armed Forces Uses. Tactical gear needs to be versatile in order to earn its place in your rucksack. When you need a single piece of gear that serves hundreds of uses, turn to the McNett® Tactical Gruntline™ multifunctional elastic cord. Gruntline is a flexible utility line that stretches up to 7 ft. This braided cord holds up to 20 lbs. and is ideal for use as a lanyard, clothesline, tie-down strap, pack strap—you name it. Plus, Gruntline has a wide array of medical uses including arm sling, I.V. support and tourniquet. You’ll find more uses for this high-performance utility line than any other piece of gear.